Lake Arrowhead Weather in December: Temperature, Precipitation, Wind

Temperature
8.1°C
46.6°F
High temperature
15.9°C
60.6°F
Low temperature
2.1°C
35.8°F
Feels like
7.8°C
46.1°F
Rainy days
5 days
Rainfall level
0.42mm
0.02 inch
Cloud coverage
20.5%
Wind speed
13.1km/h
8.2mph
Daylight time
9:54:35
UV index
5
1
partly cloudy day
6.5°C
44.0°F
2
clear day
5.8°C
42.0°F
3
clear day
7.4°C
45.0°F
4
clear day
9.1°C
48.0°F
5
clear day
11.6°C
53.0°F
6
clear day
10.4°C
51.0°F
7
clear day
8.2°C
47.0°F
8
clear day
7.2°C
45.0°F
9
clear day
8.3°C
47.0°F
10
clear day
9.4°C
49.0°F
11
clear day
8.2°C
47.0°F
12
clear day
6.0°C
43.0°F
13
partly cloudy day
5.9°C
43.0°F
14
clear day
6.5°C
44.0°F
15
clear day
9.9°C
50.0°F
16
clear day
9.4°C
49.0°F
17
clear day
10.2°C
50.0°F
18
partly cloudy day
11.6°C
53.0°F
19
rain
9.9°C
50.0°F
20
rain
9.6°C
49.0°F
21
rain
9.6°C
49.0°F
22
rain
7.7°C
46.0°F
23
partly cloudy day
6.5°C
44.0°F
24
partly cloudy day
6.4°C
44.0°F
25
clear day
6.3°C
43.0°F
26
clear day
7.2°C
45.0°F
27
clear day
7.6°C
46.0°F
28
partly cloudy day
8.3°C
47.0°F
29
clear day
7.7°C
46.0°F
30
rain
6.3°C
43.0°F
31
partly cloudy day
5.9°C
43.0°F

Lake Arrowhead, United States experiences mild winter conditions in December. The average temperature hovers around 8.1°C (46.6°F), with daytime highs reaching 15.9°C (60.6°F) and nighttime lows dipping to 2.1°C (35.8°F). The perceived temperature, or “feels like” temperature, closely mirrors the actual temperature, averaging 7.8°C (46.1°F) throughout the month.

Humidity levels in Lake Arrowhead during December are moderate, with an average of 55%. Precipitation is relatively light, with an average of 0.42 inches (10.7 mm) of rainfall over the course of the month. Rain occurs on approximately 5 days, with a 16.1% probability of precipitation on any given day. Snow is not observed in December, with both average snowfall and snow depth recorded at 0 inches.

Wind conditions in Lake Arrowhead during December are notable. Average wind speeds measure 13.1 mph (21.1 km/h), with gusts reaching up to 41.6 mph (66.9 km/h). The atmospheric pressure remains steady at 1019.7 hPa, indicating stable weather patterns.

Cloud cover is minimal in December, averaging only 20.5%. This results in excellent visibility conditions, with an average visibility of 15 miles (24.1 km). The UV index averages 5, suggesting moderate sun intensity during daylight hours. Sunrise occurs around 6:47 AM, while sunset takes place at approximately 4:41 PM, providing about 9 hours and 54 minutes of daylight.

Lake Arrowhead Village, a popular destination in the area, experiences clear days as the most common weather condition in December. The severe weather risk is relatively low at 10%. Popular activities in Lake Arrowhead during this time include hiking in the San Bernardino National Forest and enjoying the scenic beauty of the lake itself, which remains a focal point for visitors and residents alike.

What is the temperature in Lake Arrowhead in December?

Average air temperature in Lake Arrowhead is 8.1°C (46.6°F) in December. The outside temperature in Lake Arrowhead feels like 7.8°C (46.1°F) on a typical December day. The highest average temperature during sunny days is 15.9°C (60.6°F) and feels like 15.9°C (60.6°F). The lowest average temperature after dark is 2.1°C (35.8°F) which feels like 1.7°C (35.1°F).

How hot is Lake Arrowhead in December?

The hot temperature in December in Lake Arrowhead rises to 22.9°C (73.2°F) on sunny days with low cloud coverage and 55% humidity. During hottest days of December it feels like 22.9 °C (73.2°F). The average maximum temp in Lake Arrowhead is 15.9°C (73.2°F) during day time in December.

How cold is Lake Arrowhead in December?

The coldest temp in Lake Arrowhead in December drops to -2.5°C (27.5°F) during the cold nights. With 13.1km/h (8.2mph) winds and 55% humidity it feels like -2.5°C (27.5°F) on the coldest nights. The average minimum temperature is 2.1°C (35.8°F) during night time in December.

Does it rain in Lake Arrowhead in December?

Yes, it rains for 5 days in Lake Arrowhead, United States in December averaging 0.42 mm of precipitation. Lake Arrowhead has a 16.1% chance for rain throughout the entire month of December.

How much does it rain in Lake Arrowhead throughout December?

Lake Arrowhead has 0.42 mm (0.02 inch) of rain per day on average in December. It rains for an average of 5 days out of the entire month.

Is Lake Arrowhead windy in December?

The average speed of wind in Lake Arrowhead, United States during December is 13.1km/h (8.2mph) and average windgust is 41.6km/h (25.8mph). On some days in December wind can reach up to 23.5km/h (14.6mph).

What is the direction of the wind in Lake Arrowhead in December?

Most days of December the wind is blowing from South-Southwest direction in Lake Arrowhead.

What are the humidity levels in Lake Arrowhead in December?

The average humidity levels in Lake Arrowhead in December are 55%. Daily humidity levels in Lake Arrowhead range from 13.3% to 89.8% during December.

How many hours of daylight are in Lake Arrowhead in December?

Lake Arrowhead has 9 hours 54 minutes of daylight in December on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Lake Arrowhead in December is at 6:47:16 and the sunset is at 16:41:52.

What is the cloud coverage in Lake Arrowhead in December?

Clouds cover 20.5% of the sky on average throughout December in Lake Arrowhead. The cloud coverage ranges from 0% to 79.9% depending on the day of the month.

What is the UV level in December in Lake Arrowhead?

The average UV index in Lake Arrowhead is 5 in December. UV levels change throughout the month and range from 1 to 6.

What is the solar radiation in Lake Arrowhead in December?

The average solar radiation is 102.9 W/m2 (Watts per square meter) in Lake Arrowhead during December. However solar radiation levels change throughout the month and range from 11.4 W/m2 to 133.6 W/m2.

What is the solar energy during December in Lake Arrowhead?

The average solar energy during December in Lake Arrowhead is 8.9 MJ/m2 (megajoules per square metre). Solar energy ranges from 0.9 MJ/m2, to 11.5 MJ/m2 during December.

Are there severe weather risks in Lake Arrowhead in December?

Yes, there is a 10% risk for severe weather in Lake Arrowhead, United States in December.

What is the air pressure in Lake Arrowhead in December?

On average the air pressure in Lake Arrowhead in December is 1019.7 mb (millibars). Throughout the month the sea level pressure ranges from 1013.2 mb to 1024.8 mb.

What is the visibility in Lake Arrowhead in December?

The average daylight visibility in Lake Arrowhead in December is 15 km (9.3 miles). Depending on the precipitation the visibility ranges from 11.1 km (6.9 miles) to 16 km (9.9 miles) throughout December.

What is the dew point in Lake Arrowhead in December?

The average dew point in Lake Arrowhead during December is -2.4°C (27.6°F).

Where is the data for Lake Arrowhead climate in December coming from?

The climate data for Lake Arrowhead, California, United States in December is collected from the following weather stations.

  • MARCH AFB, CA US
  • RIVERSIDE MUNICIPAL AIRPORT, CA US
  • BIG BEAR CITY AIRPORT, CA US
  • KL35
  • KRAL
  • KRIV
  • SCE Crest Park CA US SC-EDISON